Request InfoPacer Components Ltd.Suitable for single-molecule detection, high-throughput DNA sequencing, lidar, optical rangefinding and adaptive optics, the SPCM-AQ4C four-channel photon-counting card is available from Pacer Components plc. It detects single photons over the 400- to 1060-nm range and incorporates a silicon avalanche photodiode that has a circular active area and a peak photon-detection efficiency exceeding 60% at 650 nm. Each photodiode is TE-cooled and temperature-controlled to ensure stable performance despite changes in the ambient temperature.See full productRelated content from Photonics MediaPRODUCTSPromoted Content August 2023 IssueSPECTRA Light EngineDoes your fluorescence imaging, high-content screening, or industrial metrology instrumentation warrant best-in-class illumination, in terms of both brightness and stability? 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